The Mod Family bags are a generous 1.5 Liter (50 ounce) size and the price is for two bags. They close with a (Plexiglass) Slide mechanism and remain airtight. These are 100% Phthalate, Lead, and BPA-free and made with food grade silicone. Temperature resistant, dishwasher safe, and can go from fridge to freezer. Package free.